diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 40ddbba..cb9b50d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -43,17 +43,31 @@ jobs:
       - name: 安装依赖
         run: npm ci
 
+      # 下载完整日志需要仓库管理员权限，失败详情转成注解才能在提交页直接看到
       - name: 单元测试
-        run: npm test
+        shell: bash
+        run: |
+          set -o pipefail
+          npm test 2>&1 | tee /tmp/unit.log && exit 0
+          echo "::error title=单元测试失败::$(grep -A 15 '^not ok' /tmp/unit.log \
+            | head -150 | sed 's/%/%25/g; s/\r//g' | awk '{printf "%s%%0A", $0}')"
+          exit 1
 
       # Electron 集成测试要开真实窗口，无头环境靠 xvfb 提供 X server
       - name: Electron 集成测试
+        shell: bash
         run: |
+          set -o pipefail
           sudo apt-get update
           sudo apt-get install -y xvfb libnss3 libatk1.0-0t64 libatk-bridge2.0-0t64 libcups2t64 libgbm1 libasound2t64 libgtk-3-0t64
           for suite in startup download cover annotation reader-features library-notes ai-scope; do
             echo "::group::$suite"
-            xvfb-run -a npx electron "src/_test/electron/$suite.integration.js"
+            if ! xvfb-run -a npx electron "src/_test/electron/$suite.integration.js" 2>&1 | tee "/tmp/$suite.log"; then
+              echo "::endgroup::"
+              echo "::error title=集成测试失败 $suite::$(grep -iE 'FAIL|Error|失败' "/tmp/$suite.log" \
+                | head -60 | sed 's/%/%25/g; s/\r//g' | awk '{printf "%s%%0A", $0}')"
+              exit 1
+            fi
             echo "::endgroup::"
           done